Acquisitions and Divestitures - Additional Information (Details) $ in Thousands			3 Months Ended
	Feb. 28, 2019	Jan. 18, 2019 USD ($)	Mar. 31, 2019 USD ($) MBbls / d Mcf / d mi bbl
Property, Plant and Equipment [Line Items]
Acquisition, net investment | $			$ 92,546
Wattenberg Processing Plant [Member] | Cryogenic Train [Member]
Property, Plant and Equipment [Line Items]
Gas processing capacity			190,000
Wattenberg Processing Plant [Member] | Refrigeration Train [Member]
Property, Plant and Equipment [Line Items]
Gas processing capacity			100,000
DJ Basin Oil System [Member]
Property, Plant and Equipment [Line Items]
Oil processing capacity | MBbls / d			155
DJ Basin Oil System [Member] | Pipelines [Member]
Property, Plant and Equipment [Line Items]
Pipeline miles | mi			12
DJ Basin Oil System [Member] | Storage Tank [Member]
Property, Plant and Equipment [Line Items]
Storage capacity - barrels | bbl			500,000
DBM Oil System [Member] | Pipelines [Member]
Property, Plant and Equipment [Line Items]
Pipeline miles | mi			14
DBM Oil System [Member] | Storage Tank [Member]
Property, Plant and Equipment [Line Items]
Storage capacity - barrels | bbl			30,000
DBM Oil System [Member] | Central Production Facilities [Member]
Property, Plant and Equipment [Line Items]
Oil processing capacity | MBbls / d			71
DBM Oil System [Member] | Regional Oil Treating Facilities [Member]
Property, Plant and Equipment [Line Items]
Oil processing capacity | MBbls / d			120
APC Water Systems [Member]
Property, Plant and Equipment [Line Items]
Produced water processing capacity | MBbls / d			565
Saddlehorn [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage acquired	20.00%
Saddlehorn [Member] | Storage Tank [Member]
Property, Plant and Equipment [Line Items]
Storage capacity - barrels | bbl			300,000
Panola [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage acquired	15.00%
Panola [Member] | Pipelines [Member]
Property, Plant and Equipment [Line Items]
Pipeline miles | mi			248
Mi Vida [Member]
Property, Plant and Equipment [Line Items]
Gas processing capacity			200,000
Ownership percentage acquired	50.00%
Ranch Westex [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage acquired	50.00%
Ranch Westex [Member] | Cryogenic Train [Member]
Property, Plant and Equipment [Line Items]
Gas processing capacity			100,000
Ranch Westex [Member] | Refrigeration Train [Member]
Property, Plant and Equipment [Line Items]
Gas processing capacity			25,000
Red Bluff Express [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage acquired		30.00%
Acquisition, net investment | $		$ 92,500